Minolta's fast early portrait tele — the 100mm f/2 Auto Tele Rokkor-PF from the late 1950s.
The Minolta Auto Tele Rokkor-PF 100mm f/2 is a fast short-telephoto manual-focus lens for Minolta reflex cameras from the late 1950s. The Tele prefix denotes its telephoto role and Auto its automatic diaphragm. As a fast 100mm it was a premium portrait and available-light lens in the earliest generation of Minolta SLR optics.
This is a manual-focus short-telephoto lens with a 100mm focal length and a bright maximum aperture of f/2. The PF code encodes the element and group layout in Minolta's system. Only the focal length and aperture are affirmed here; other construction details for this early lens are not confirmed and are consequently omitted.
The 100mm focal length combined with an f/2 maximum aperture makes this an excellent portrait lens, delivering flattering compression and strong subject isolation with shallow depth of field. It also suits low-light and general telephoto work, with rendering shaped by the coating technology of the late 1950s.
On the used market this fast early tele Rokkor is uncommon and desirable, sought by collectors and portrait shooters adapting vintage glass. Given its age, inspect for haze, fungus and element separation, verify the aperture is oil-free and responsive, and check the focus helicoid for smooth travel. Examine the coating for wear, and note a suitable adapter is needed on mirrorless cameras.